SOHC.co.uk Forums > CB350/400
Engine Paint Options
Nurse Julie:
--- Quote from: SeanFD on June 19, 2020, 07:51:32 PM ---
--- Quote from: Nurse Julie on June 19, 2020, 11:38:07 AM ---It's SIMVHT31D that is available now which is the superceded number of SIMVHT31C which is not available.
SIMVHT31D is what we use on all Honda CB SOHC /4 Engines.
--- End quote ---
Thanks Julie.
I found some today at what I thought was a good price (£6.99). Then checking on EBay, I see there are two types of enamel Aluminium: one is simply aluminium while the other is aluminium silver.
I can’t check until tomorrow which one I actually got, but I think it is just plain aluminium. Is that the one you use?
Thanks to COVID, I’m living alone at present, so I can sneak parts past myself into the oven and can avoid the need for a special construction :D
The guy who is doing my powder coating has offered to blast the cases. Is this the best way to go? After blasting, do I need to prime the cases before painting? I think I read not.
--- End quote ---
The 31D is the colour you need and no need to pre prime the cases. Don't have the cases blasted with any type of media at all, it is impossible to remove the glass bead or sand or whatever they use, from the main oil galleries and smaller oil ways and it will wreck your bearing surfaces as a minimum and could render most of the internals of your engine useless.
SeanFD:
Thanks again Julie.
So how do I prep the cases then. I don’t know if anyone does soda-blasting around here, if that would be a better option.
Nurse Julie:
--- Quote from: SeanFD on June 19, 2020, 08:35:53 PM ---Thanks again Julie.
So how do I prep the cases then. I don’t know if anyone does soda-blasting around here, if that would be a better option.
--- End quote ---
You would be best off doing the manual method of DIY clean. Get yourself a large tub or a big heavy duty plastic box or even an old tin bath 😁😁😁. You wiil need scotch brite pads, bottle brushes, tooth brushes, scrubbing brushes etc etc and a big can of petrol and get scrubbing and picking, especially in between the fins. The bottle brushes will be needed for cleaning out the oil galleries etc. The finished outcome of the paint finish is all in the prep. If you can do all that and then try and find someone who has a powerful hot wash pressure washer to blast it off after (no caustic chemicals) , that would be good.
SeanFD:
Thanks all.
So I washed it and then had it chemically dipped. I then put 3 coats of Simoniz Enamel on, left it overnight and finally bake it in the oven.
It looks pretty good! Here’s a before and after:
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and a few bigger pics
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May not be perfect, but pretty good for a first time I think - even if I say so myself! ;)
Nurse Julie:
That's a great job you have done there.
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